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    • 56. 发明授权
    • Belt driven continuously variable transmission
    • 皮带驱动连续可变传动
    • US5094652A
    • 1992-03-10
    • US343284
    • 1989-04-26
    • Shiro SakakibaraMasahiro HasebeMasashi HattoriShigekazu Ohara
    • Shiro SakakibaraMasahiro HasebeMasashi HattoriShigekazu Ohara
    • F16H9/12F16H37/02F16H61/662F16H63/06
    • F16H37/022F16H61/66272F16H63/067
    • This invention relates to a belt driven continuously variable transmission having a pressure regulating cam mechanism giving an axial force corresponding to the transmission torque to a pulley and preventing too much belt pressing force. A retainer is fixed on a boss section of a stationary sheave and a spring made of multiple disc springs is situated on the outer surface of a boss section of a movable sheave for contact the retainer. A spring apparatus is composed of the retainer and the spring. Accordingly, at the decelerating range with large shifting ratio, besides the axial force made by the pressure regulating cam mechanism, the spring apparatus generates pressing force by contacting the retainer and maintains the belt holding force. When the shifting ratio is small, the spring returns to its natural length and disengages from the retainer.
    • PCT No.PCT / JP88 / 00857 Sec。 371 1990年1月5日第 102(e)日期1990年1月5日PCT PCT 1988年8月27日PCT公布。 出版物WO89 / 02044 日本特开1989年3月9日。带式无级变速器技术领域本发明涉及一种带式无级变速器,其具有压力调节凸轮机构,其给予对应于传动转矩的滑轮的轴向力并防止过大的带压力。 保持器固定在固定滑轮的凸台部分上,并且由多个盘形弹簧制成的弹簧位于用于与保持器接触的可动滑轮的凸台部分的外表面上。 弹簧装置由保持器和弹簧构成。 因此,在变速比大的减速区域中,除了压力调节凸轮机构所产生的轴向力之外,弹簧装置通过使保持器接触而产生按压力,并保持带的保持力。 当变速比小时,弹簧返回其自然长度并与保持器脱离。
    • 57. 发明授权
    • Continuously variable speed transmission
    • 连续变速传动
    • US5057061A
    • 1991-10-15
    • US451983
    • 1989-12-18
    • Shiro SakakibaraMasahiro HasebeMasashi HattoriAkihiro Kuroyanagi
    • Shiro SakakibaraMasahiro HasebeMasashi HattoriAkihiro Kuroyanagi
    • F16H9/12F16H37/02F16H47/00F16H47/06F16H61/662
    • F16H37/021F16H61/66272
    • A continuously variable speed transmission having a belt drive continuously variable speed transmission in which a belt is wrapped around primary and secondary pulleys each supported on a shaft and each consisting of a pair of sheaves capable of relatively moving axially, and a forward/reverse rotation changeover mechanism. The belt drive continuously variable speed transmission is provided with a pressure adjusting cam mechanism for applying an axial force corresponding to a transmitted torque to at least one of the pulleys, ball screw mechanisms for axially moving the movable sheaves of the pulleys. A fluid torque converter is disposed on the transmission upstream side of the primary pulley. In the belt drive continuously variable speed transmission, the pressure adjusting cam mechanism produces and axial force corresponding to the transmitted torque to clamp the belt, and the power is transmitted by the effect of this clamping force without belt slip. If at the time of vehicle starting the torque of the fluid torque converter is increased, the pressure adjusting cam mechanism produces a larger axial force corresponding to the increased torque, thereby clamping the belt by a larger force to prevent the belt from slipping during transmission of power. This large belt clamping force is produced for only a short time for vehicle starting. As the torque of the fluid torque converter is reduced to a coupling range, the axial force produced by the pressure adjusting cam mechanism is correspondingly reduced automatically. The belt is clamped by a reduced axial force for a greater part of the operating time.
    • 一种连续变速传动装置,其具有皮带驱动无级变速传动装置,其中,皮带缠绕在主轴和副皮带轮之间,每个皮带轮均支撑在轴上,每个皮带轮均包括能够轴向相对移动的一对滑轮,以及前/后旋转切换 机制。 皮带传动连续变速传动装置设置有压力调节凸轮机构,用于向至少一个滑轮施加对应于传递转矩的轴向力,用于轴向移动滑轮的可动滑轮的滚珠丝杠机构。 一个液力变矩器设置在主滑轮的变速器上游侧。 在皮带驱动无级变速传动中,压力调节凸轮机构产生对应于传递扭矩的轴向力,以夹紧皮带,并且通过该夹紧力的作用传递动力,而没有皮带打滑。 如果在车辆启动时,液力变矩器的扭矩增加,则压力调节凸轮机构产生对应于增加的扭矩的较大的轴向力,从而通过较大的力夹紧皮带,以防止皮带在传动期间滑动 功率。 这种较大的皮带夹紧力仅在短时间内用于车辆起动。 随着液力变矩器的扭矩减小到耦合范围,由压力调节凸轮机构产生的轴向力自动相应地减小。 皮带被减小的轴向力夹持在较大部分的运行时间。
    • 58. 发明授权
    • Continuously variable V-belt transmission
    • 连续可变的V型皮带传动
    • US4735598A
    • 1988-04-05
    • US881057
    • 1986-07-01
    • Shuzo MorotoShiro SakakibaraMasahiro HasebeMasashi Hattori
    • Shuzo MorotoShiro SakakibaraMasahiro HasebeMasashi Hattori
    • F16H9/16F16H63/06F16H9/18
    • F16H63/067F16H9/16
    • Pulleys are provided with load cam mechanisms which exert axial forces corresponding to transmitted torque, and actuator means such as ball screw mechanisms which shift the movable sheaves of both pulleys in axial direction, wherein the axial forces occuring at the pulleys are carried by their shafts and do not act on the housing. A counter shaft is located between the primary and secondary shafts, the countershaft being rotated to drive the actuator means through gearing such as gearwheels, to alter the drive ratio. During power transmission, the axial forces acting on the movable sheaves of primary and secondary pulleys are converted into torque by the actuator means, where the torques are transmitted to the counter shaft in the form of counteracting torques, so that alteration of drive ratio can be made with slight effort on the counter shaft, equivalent ot the difference between the counteracting torques.By using a non-uniform cam mechanism for the actuator means, or by using non-circular gearwheels for the gearing, the displacements of the movable sheaves are matched with their proper displacements determined by the belt.
    • 皮带轮具有施加对应于传递转矩的轴向力的负载凸轮机构,以及诸如滚珠丝杠机构的致动器装置,其将两个滑轮的可动滑轮沿轴向方向移动,其中在滑轮处产生的轴向力由它们的轴承载, 不要对房屋采取行动 副轴位于主轴和副轴之间,中间轴旋转以通过诸如齿轮的齿轮驱动致动器装置,以改变驱动比。 在动力传递期间,作用在主滑轮和次级滑轮的可动滑轮上​​的轴向力通过致动器装置转换为扭矩,其中扭矩以反作用力的形式传递到副轴,因此驱动比的改变可以是 在反作用轴上作出轻微的作用,相当于反作用力之间的差异。 通过使用用于致动器装置的不均匀的凸轮机构,或者通过使用用于传动装置的非圆形齿轮,可动滑轮的位移与其由皮带确定的适当的位移相匹配。